– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 06 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 44mm), heaviest during Sat night. Very mild (max 12°C on Sat morning, min 4°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun night). | Days 4–6 Weather SummaryModerate rain (total 17mm), heaviest on Mon night. Very mild (max 17°C on Wed morning, min 6°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | |  |  |  | | | | | |  | |
light rain | mod. rain | rain shwrs | light rain | light rain | heavy rain | mod. rain | light rain | rain shwrs | cloudy | some clouds | mod. rain | mod. rain | light rain | rain shwrs | some clouds | some clouds | some clouds | |
Cloud base (m) | 600 | 650 | 750 | 2700 | 2000 | 550 | 600 | 600 | 800 | 5550 | 1650 | 600 | 600 | 2500 | 4850 | 6450 | 6850 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 5 | 4 | 0.1 | 0.5 | 18 | 10 | 3 | 0.3 | — | — | 7 | 5 | 4 | 0.1 | — | — | — |
max °C | 8 | 9 | 9 | 12 | 12 | 11 | 7 | 6 | 5 | 8 | 7 | 7 | 9 | 10 | 12 | 17 | 15 | 14 |
min °C | 7 | 9 | 7 | 10 | 12 | 7 | 7 | 6 | 4 | 7 | 6 | 6 | 8 | 10 | 11 | 15 | 14 | 13 |
chill °C | 4 | 7 | 6 | 9 | 10 | 3 | 3 | 5 | 3 | 6 | 4 | 4 | 6 | 9 | 10 | 15 | 14 | 13 |
Freezing level m | 2300 | 2300 | 2200 | 2800 | 2650 | 1600 | 1550 | 1400 | 1500 | 1800 | 1850 | 2100 | 2300 | 2550 | 3200 | 3300 | 3400 | 3400 |
 | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 44mm), heaviest during Sat night. Very mild (max 12°C on Sat morning, min 4°C on Sun night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun night).
South Twin Sister Weather (Days 3-6):
Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 17°C on Wed morning, min 6°C on Mon afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.